985190450 has 12 divisors (see below), whose sum is σ = 1832454330. Its totient is φ = 394076160.

The previous prime is 985190429. The next prime is 985190471. The reversal of 985190450 is 54091589.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (985190429) and next prime (985190471).

It can be written as a sum of positive squares in 3 ways, for example, as 367220569 + 617969881 = 19163^2 + 24859^2 .

It is a junction number, because it is equal to n+sod(n) for n = 985190398 and 985190407.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9851855 + ... + 9851954.

Almost surely, 2^985190450 is an apocalyptic number.

985190450 is a deficient number, since it is larger than the sum of its proper divisors (847263880).

985190450 is a wasteful number, since it uses less digits than its factorization.

985190450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19703821 (or 19703816 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 41.

The square root of 985190450 is about 31387.7436270911. The cubic root of 985190450 is about 995.0389116370.

The spelling of 985190450 in words is "nine hundred eighty-five million, one hundred ninety thousand, four hundred fifty".